Proper deprecation for HTTPClient.tenant_id|name
Proper deprecation for HTTPClient.tenant_id|name

HTTPClient tenant_id and tenant_name properties weren't properly
deprecated since they were only mentioned in the docstring. Proper
deprecation requires use of warnings/debtcollector and
documentation.

bp deprecations

Change-Id: I3c2f87df14bc9f8ffd82b99919fd1048123d0669

sdpp/python-keystoneclient,sdpp/python-keystoneclient,magic0704/python-keystoneclient,magic0704/python-keystoneclient,klmitch/python-keystoneclient,Mercador/python-keystoneclient,klmitch/python-keystoneclient,Mercador/python-keystoneclient